Vacuum cleaner



FIG. 1 is a perspective view of a vacuum cleaner showing my new design, with the handle shown in an upright position;

FIG. 2 is a top plan view thereof, with the handle in a lowered position;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a side elevational view thereof, of the opposite side of FIG. 3;

FIG. 5 is an end elevational view thereof;

FIG. 6 is an end elevational view thereof, of the opposite side of FIG. 5; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a vacuum cleaner, as shown and described. 